Standardize string quotes
Support loading files with comments, but only allow in edited file
Support saving files with comments, and add comment headers for each slice
Fix comment header with priority (_)
Shorten comment header
Add "list" slice, like "match" except it operates on free text
Remove redundant "all" slice
Support negative matches in "list" slice
Shorten "match" comment header
Fix crash when match argument is not a priority or a tag
Usage is getting a bit unwieldy to print in every case - it obscures the warning
Add documentation about line number tagging
Ignore tasks with unconfigured priorities (and log warning)
Consistent casing